The Wiesler Family Foundation logo

The Wiesler Family Foundation

BOSTON, MA EIN: 30-6170527 Website

The Wiesler Family Foundation is a private foundation based in Boston, Massachusetts, established in 2015. It operates as a 501(c)(3) organization and functions primarily as a grantmaking entity, distributing unrestricted grants to various charitable organizations.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$7.9M

+15.6% YoY

Annual Giving

$357K

+15.8% YoY

Grant Count

37

+19.4% YoY

Avg Grant Size

$10K

-3.0% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Grantmaking

The foundation is an active grantmaker with a significant grant portfolio. In 2023, it made 37 grants with a total distribution of approximately $309,000. Grant sizes typically range from $500 to $42,000, with a median grant size of approximately $7,200 and an average grant size of around $9,600.

Grant Range

s typically range from $500 to $42,000, with a median grant size of approximately $7,200 and an average grant size of around $9,600.

Average Grant

of around $9,600.

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Geographic Focus

Where this funder awards grants

The foundation's grantmaking focuses primarily on Massachusetts, North Carolina, and New York.

Grant Distribution by State

18states
+10 more states

Cities

AlbanyAshevilleBethesdaBoca RatonBolinasBostonBrightonBrooklineCambridgeCedarhurstChicagoColumbusDallasFort MyersFranklinHanoverKanabLawrenceMemphisNaples

Financial History

Multi-year comparison from IRS filings

Assets: $6.8 million to $7.86 million (as of 2023)

Annual Activity (2023):

  • Total revenues: $268,245
  • Total expenses: $353,567
  • Total distributions: Approximately $309,000

Financial Trends: Investment income and dividends comprised the majority of 2023 revenue at $212,851, while grants and contributions totaled $8,526. The foundation carries no liabilities.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$420K$840K$1M$2M201920202021202220232024
Metric202420232022
Total Assets$7,860,595$6,796,952$6,888,471
Revenue$1,484,223$268,245$1,162,079
Expenses$420,580$353,567$404,956
Qualifying Distributions$357,220$308,600$375,380
Net Investment Income$1,526,718$227,539$345,491
Distributable Amount$377,861$356,851$316,505

Giving Over Time

Total grant dollars and number of grants per year

$0$94K$188K$282K$375K34 grants201937 grants202036 grants202139 grants202231 grants202337 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

AMERICAN TECHNION SOCIETY$35KALZHEIMERS ASSOCIATION$25KARTIS-NAPLES (NAPLES PHI…$25KATRIUM HEALTH WAKE FORES…$25KAMERICAN FRIENDS OF$22KALLIANCE FOR THE CLIMATE$19KFRIENDS OF THE LONE SOLD…$15KGREENTOWN COLLABORATIVE$15KJEWISH ALLIANCE FOR LAW …$15KNCH HEALTHCARE SYSTEM$15K

Grant Size Distribution

180 grants across all recorded years

179<$50K1$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation is governed by three trustees:

  • Michal Wiesler
  • Jonathan Wiesler
  • Robert Vigoda

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
MICHAL WIESLERTRUSTEE1
ROBERT VIGODATRUSTEE1
JONATHAN WIESLERTRUSTEE1

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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